Finding the Third Proportional to 339,594 and 459,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   339,594 : 459,568.50 = 459,568.50 : x
2. Step 2: Convert to fraction form
   339,594/459,568.50 = 459,568.50/x
3. Step 3: Cross multiply
   339,594x = 459,568.50 × 459,568.50
4. Step 4: Simplify right side
   339,594x = 211,203,206,192.25
5. Step 5: Solve for x
   x = 211,203,206,192.25/339,594
6. Step 6: Final answer
   x = 621,928.56